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θoθo Which other angles are equal to θ? Lesson Objective Objects in equilibrium on slopes
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30 o A block of mass 2kg sits on a rough plane inclined at 30 degrees to the horizontal. What is the size of the frictional force?
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20 o A block of mass 2kg sits on a rough plane inclined at 20 degrees to the horizontal. If the block is being pulled by a force of 30N in a direction along the line of the slope and is about to slip up the slope, what is the size of the frictional force and what is the Normal Reaction force?
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20 o A block of mass 2kg sits on a rough plane inclined at 20 degrees to the horizontal. If the block is being pulled by a force of 30N in a direction along the line of the slope and is about to slip up the slope, what is the size of the frictional force and what is the Normal Reaction force? What if the pulling force is parallel to the horizontal instead?
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A crate of mass 4kg sits on a plane at 25 degrees to the horizontal
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2kg 5kg Two blocks connected by a light inextensible string via a smooth pulley. The 5kg block rests on a smooth surface. The 2kg block is on a rough slope. Find the friction force to maintain equilibrium. 30 o 20 o
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